FLARING FM 155E, Руководство по эксплуатации

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Trouble shooting and error checking
Notes: The following operations must be performed by qualified electricians with valid
certifications. Before maintenance, you are suggested to contact local distributor to verify
qualification.
Malfunctions Solution
The meter show nothing;
Fan does not rotate;
No welding output
 Confirm the power switch is on.

Power supply available for input cable.
 Check if the three phase commute bridge is damaged.
 There is malfunction occurs in the supplementary power
source on control board (contact dealers).
The meter shows;
Fan works normally;
No welding output
 Check if all the sockets in the machine are connected well.
 There is open circuit or badness of connect at the joint of
output terminal.

The control cable on the torch is broken off or the switch is
damaged.
 The control circuit is damaged.(contact to dealers)
the meter shows;
Fan works normally;
Abnormal indicator lights.

It might be over-current protection, please turn off the power
switch; restart the machine after the abnormal indicator light
winked.

It might be overheating protection, please wait for about 2-3
minutes until the machine renew without turn off the power
switch.
 It might be multifunction of inverter circuit. (contact dealers)
Even the machine comes up with abnormal phenomenon such as welding unable, arc unstable or
bad welding effect, it is still early to judge that there is malfunction on the machine.
The above-mentioned abnormal phenomenon may be caused by some reasons. For example:
tight parts loosen, forgetting to switch on, wrong set up, cable broken and gas rubber pipe cracked,
etc. Therefore, please test and inspect these factors before deliver it back to the factory because
a large number of troubles may be easily solved probably.
For this reason, an initial diagnosis list for general welding troubles is shown below. A trouble
happened may be found in the column of “Abnormal items” on up-right of the list, please inspect
and maintain for the corresponding items which have “
〇
" mark in the column according to the
following list respectively.